Alert archive / Texas / Flash Flood Warnings in 1998

Flash Flood Warning 43, NWS Fort Worth, TX

February 25, 1998Somervell County, Texas

NWS Fort Worth, TX issued this flash flood warning at Feb 25, 1998, 8:33 PM CST for Somervell County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 25, 1998, 8:33 PM CST (02:33 UTC)
Expired
Feb 25, 1998, 11:30 PM CST
In force
3 hr
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Somervell County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 59 km from the middle of the area, began a volume at 02:35 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 2.6 hours before the alert went out and 81 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Fort Worth, TX at 00:00Z on 1998-02-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1012 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 1998-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1012 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1199 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Feb 25, 3:15 PM CST, 5 hours 18 minutes before
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Special weather statement, Feb 25, 3:15 PM CST, 5 hours 18 minutes before
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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Special weather statement, Feb 25, 8:26 PM CST, 7 minutes before
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<head>
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  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 25, 6:12 PM CSTSevere Thunderstorm WarningFWDParker, Tarrant63 min
Feb 25, 6:12 PM CSTSevere Thunderstorm WarningFWDDenton63 min
Feb 25, 6:32 PM CSTSevere Thunderstorm WarningFWDComanche58 min
Feb 25, 7:15 PM CSTSevere Thunderstorm WarningFWDSomervell60 min
Feb 25, 7:21 PM CSTSevere Thunderstorm WarningFWDTarrant69 min
Feb 25, 7:24 PM CSTSevere Thunderstorm WarningFWDCollin, Grayson66 min
Feb 25, 7:42 PM CSTSevere Thunderstorm WarningFWDJohnson63 min
Feb 25, 8:00 PM CSTSevere Thunderstorm WarningFWDDallas60 min
Feb 25, 8:08 PM CSTSevere Thunderstorm WarningFWDFannin67 min
Feb 25, 9:36 PM CSTSevere Thunderstorm WarningFWDBell, McLennan69 min
Feb 25, 9:40 PM CSTSevere Thunderstorm WarningFWDCoryell35 min
Feb 25, 9:43 PM CSTFlash Flood WarningFWDDallas2 hr
Feb 25, 10:08 PM CSTSevere Thunderstorm WarningFWDFalls67 min
Feb 25, 10:17 PM CSTSevere Thunderstorm WarningFWDMilam58 min
Feb 25, 10:38 PM CSTSevere Thunderstorm WarningFWDLimestone, Robertson67 min
Feb 25, 11:13 PM CSTSevere Thunderstorm WarningFWDFreestone, Leon62 min
Feb 25, 11:43 PM CSTSevere Thunderstorm WarningFWDAnderson62 min
Feb 26, 12:02 AM CSTTornado WarningFWDAnderson43 min

Nearby

Flash Flood Warnings in Texas, 1998Every flash flood warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.